Home / 54,119.10-74,682.18-31,457.01

Finding the Fourth Proportional to 54,119.10, 74,682.18 and 31,457.01

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Solution

The fourth proportional to 54,119.10, 74,682.18 and 31,457.01 is: 43,409.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,119.10 : 74,682.18 = 31,457.01 : x
  2. Step 2: Convert to fraction form
    54,119.10/74,682.18 = 31,457.01/x
  3. Step 3: Cross multiply
    54,119.10x = 74,682.18 × 31,457.01
  4. Step 4: Simplify right side
    54,119.10x = 2,349,278,083.08
  5. Step 5: Solve for x
    x = 2,349,278,083.08/54,119.10
  6. Step 6: Final answer
    x = 43,409.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.